Holster



FIG. 1 is a side elevational view of a holster, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view, showing the side opposite that shown in FIG. 1;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a perspective view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a holster, as shown and described. 